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We report on the electrical and thermal transport properties of nickel nanoparticles with crystallite size from 23.1 to 1.3 nm. These nanoparticles show a systematic metal to insulator transition with the change in the conduction type from…

介观与纳米尺度物理 · 物理学 2022-10-26 Vikash Sharma , Gunadhor Singh Okram , Yung-Kang Kuo

This article describes the dynamics of a charge particle in a electromagnetic field in presence of a scalar fifth force. Focusing to the fifth force that would be induced by a chameleon field, the profile of which can be designed properly…

广义相对论与量子宇宙学 · 物理学 2020-09-09 Jean-Philippe Uzan , Martin Pernot-Borràs , Joel Bergé

It is shown that the famous paradox of two charged capacitors is successfully resolved if all the energy changes in the system are properly considered when some of the charges are transferred from one capacitor to the other. It happens so…

经典物理 · 物理学 2016-11-04 Ashok K. Singal

In this paper we study the two disks capacitor, for equal and different radii. The new results obtained allow a complete characterization of capacity coefficients and forces at short distances. An extensive numerical calculation confirms…

经典物理 · 物理学 2016-10-25 Giampiero Paffuti

Recent advances in nanofluidics have allowed exploration of ion transport down to molecular scale confinement, yet artificial porins are still far from reaching the advanced functionalities of biological ion machinery. Achieving single ion…

软凝聚态物质 · 物理学 2020-05-12 Nikita Kavokine , Sophie Marbach , Alessandro Siria , Lydéric Bocquet

The computational and theoretical analysis carried out in this article demonstrates the existence of a nontrivial mechanism for the compression of a submicron-sized gas bubble formed by a gas of classical ions and a gas of degenerate…

Solid polymer electrolytes are considered a promising alternative to traditional liquid electrolytes in energy storage applications because of their good mechanical properties, and excellent thermal and chemical stability. A gap, however,…

材料科学 · 物理学 2020-02-19 Boran Ma , Trung Dac Nguyen , Monica Olvera de la Cruz

We explore electron transport in a thin cylinder, attached to two semi-infinite one-dimensional metallic electrodes, in the presence of both longitudinal and transverse magnetic fluxes. A simple tight-binding model is used to describe the…

介观与纳米尺度物理 · 物理学 2009-06-29 Santanu K. Maiti

We investigate the quantum forces occurring between the defects and/or boundaries of a conformal field theory (CFT). We propose to model imperfect defects and boundaries as localized relevant double-trace operators that deform the CFT. Our…

高能物理 - 理论 · 物理学 2024-05-14 Philippe Brax , Sylvain Fichet

In this paper we report on some new results concerning the behavior of forces between two equal circular electrodes with finite thickness. We show that for close electrodes different scenarios can result, depending on the thickness and on…

经典物理 · 物理学 2018-01-26 Giampiero Paffuti

Charge asymmetry in electron (positron) scattering arises from the interference of the Born amplitude and the box-type amplitude corresponding to two virtual photons exchange. It can be extracted from electron proton and positron proton…

高能物理 - 唯象学 · 物理学 2008-11-26 E. A. Kuraev , V. V. Bytev , S. Bakmaev , E. Tomasi-Gustafsson

We investigate basic properties of the thermopower (Seebeck coefficient) of phase-coherent conductors under the influence of dephasing and inelastic processes. Transport across the system is caused by a voltage bias or a thermal gradient…

介观与纳米尺度物理 · 物理学 2011-11-17 David Sanchez , Llorens Serra

A thermoelectric effect of the noncentrosymmetric electron-phonon coupled system is proposed, in which a temperature difference between electrons and phonons, instead of a spatial temperature gradient, induces an electric current. This is a…

介观与纳米尺度物理 · 物理学 2021-10-27 Yugo Onishi , Hiroki Isobe , Naoto Nagaosa

In two-component non-linear Schr\"odinger equations, the force exerted by incident monochromatic plane waves on an embedded dark soliton and on dark-bright-type solitons is investigated, both perturbatively and by numerical simulations.…

斑图形成与孤子 · 物理学 2024-03-04 Dominik Ciurla , Péter Forgács , Árpád Lukács , Tomasz Romańczukiewicz

A macroscopic fluid pump works according to the law of Newtonian mechanics and transfers a large number of molecules per cycle (of the order of 10^23). By contrast, a nano-scale charge pump can be thought as the ultimate miniaturization of…

介观与纳米尺度物理 · 物理学 2011-11-24 F. Giazotto , P. Spathis , S. Roddaro , S. Biswas , F. Taddei , M. Governale , L. Sorba

Strongly-coupled quantum dot molecules (QDMs) are widely deployed in the design of a variety of optoelectronic, photovoltaic, and quantum information devices. An efficient and optimized performance of these devices demands engineering of…

介观与纳米尺度物理 · 物理学 2015-10-28 Muhammad Usman

An anomalous back discharge movement phenomenon is induced by a set of dielectric barrier corona discharges (DBCD) at unipolar half-sine voltage waveforms, where the back discharge has a time delay that relates to the applied voltage level.…

应用物理 · 物理学 2026-03-05 Gan Fu

Ionic Seebeck effect of electrolytes has shown promising applications in harvesting energy from low-grade waste-heat sources with small temperature difference from the environment, which can power sensors and Internet-of-Things devices.…

软凝聚态物质 · 物理学 2022-02-03 Xin Qian , Te-Huan Liu , Ronggui Yang

We theoretically consider a graphene ripple as a Brownian particle coupled to an energy storage circuit. When circuit and particle are at the same temperature, the second law forbids harvesting energy from the thermal motion of the Brownian…

介观与纳米尺度物理 · 物理学 2023-08-21 P. M. Thibado , J. C. Neu , Pradeep Kumar , Surendra Singh , L. L. Bonilla

Based on macroscopic QED in linear, causal media, we present a consistent theory for the Casimir-Polder force acting on an atom positioned near dispersing and absorbing magnetodielectric bodies. The perturbative result for the van-der-Waals…

量子物理 · 物理学 2016-08-16 S. Y. Buhmann , Ho Trung Dung , T. Kampf , L. Knöll , D. -G. Welsch